Egg shells belong to food waste, eggs are indispensable ingredients in our daily life, egg shells are a kind of waste that can not be recycled.

We usually throw it away as garbage, but there are a lot of uses for used eggs. Egg shells can be placed directly in the soil to release rich calcium elements, can be very good to promote the growth of plants, egg shells can be used as fertilizer in addition to the birds and poultry to supplement certain calcium elements.

Expanded:

Food waste contains extremely high levels of moisture and organic matter, which can easily decay and produce a foul odor. After proper treatment and processing, it can be transformed into a new resource. The high organic matter content makes it possible to use it as fertilizer and feed after strict treatment, and it can also produce biogas to be used as a fuel or to generate electricity, while the oil and grease portion of the waste can be used for the preparation of biofuel.

Illegal collection and recycling of food waste poses a threat to the environment and residents' health. Separate collection of food waste reduces the amount of organic matter entering landfills, reduces odor and waste leachate, and avoids the adverse effects of excess moisture on waste incineration and reduces corrosion of equipment.

References:

Baidu Encyclopedia - Food Waste